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High-Current DC to DC Solid State Relay – 75VDC, 500A / 1000A with Heat Sink

High-Current DC to DC Solid State Relay – 75VDC, 500A / 1000A with Heat Sink

From $58.65Sale Price
Ultra-high current DC solid state relay designed for demanding DC switching applications, featuring MOSFET output, optical isolation, and low on-state voltage drop.
Size
500A DD
1000A DD
Only Radiator
Quantity

This high-power DC to DC solid state relay (SSR) is engineered for extreme current switching in industrial DC systems. Using a MOSFET output stage with optical isolation, it delivers fast, silent, and highly efficient switching without mechanical wear.

Designed for applications such as battery systems, energy storage, DC motor control, power distribution, and industrial automation, this relay supports very high load currents while maintaining minimal conduction losses.

The sealed industrial housing, integrated LED status indication, and compatibility with external heat sinks make it suitable for continuous duty in harsh environments.

Key Features

  • DC control to DC load solid state relay

  • Extremely high current handling capability

  • MOSFET output technology

  • Optical isolation between control and load

  • Very low on-state resistance

  • LED status indicator

  • Sealed industrial construction

  • Designed for heat-sink mounting

Why Buy from ProSense Solutions?

  • Australian Supply & Fast Dispatch - Local stock on selected products, with same-day dispatch on eligible in-stock orders and pickup by arrangement.

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  • Competitive Pricing & Quantity Discounts - Request a quote for bulk orders, projects and ongoing supply.

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  • Purchase Orders Welcome - 30-day payment terms available for approved accounts.

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  • Free Technical Support - Practical product selection and setup assistance before and after purchase.

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  • Three Specialist Brands, One Team - ProSense Instruments, ProSense Solutions and ProSight Software bring instruments, integrated monitoring solutions and cloud software together under one roof.

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  • Industrial IoT & Project Assistance - Support with monitoring systems, connectivity, configuration and tailored solutions.

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  • Supplying Australian Industry - Instruments and monitoring solutions for industrial, utility, agricultural and government applications.

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